Wordnet 3.0
NOUN (1)
1. 
 medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; 
 broad five-lobed leaves are bristle-tipped; 
[syn: black oak, yellow oak, quercitron, quercitron oak, Quercus velutina]
WordNet (r) 3.0 (2006):
Quercus velutina
    n 1: medium to large deciduous timber tree of the eastern United
         States and southeastern Canada having dark outer bark and
         yellow inner bark used for tanning; broad five-lobed leaves
         are bristle-tipped [syn: black oak, yellow oak,
         quercitron, quercitron oak, Quercus velutina]